... apart from colistin, intravenous colistin sulfomethate sodium (Colistin; Norma, Athens, Greece) was initiated at the discretion of the attending physician The dosage of colistin, administered intravenously, ... creatinine at initiation of colistin; Cr2, highest value of creatinine during treatment with colistin; Cr3, serum creatinine days after completion of treatment with colistin; CVVHD, continuous ... mortality rates in the region of 50–60% have been reported in critically ill patients receiving inappropriate treatment [1–7], the use of colistin may indeed have been of clinical benefit in our patients...